In Marengo there are 5 residential Fiber providers covering 33.92% of the city. The average home can get speeds up to 4,278 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
This page contains all Fiber internet providers in Marengo, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Marengo, IL please click below.
Fiber Internet Service Providers in Marengo
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in Marengo are not shown.
Marengo Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Where in Marengo is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 33.92% of Marengo. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in Marengo above to see who has service at your home.
How fast is fiber internet in Marengo?
The map below shows maximum fiber internet speeds by area in Marengo.
Fiber Internet Speed Key
The average Marengo home can get up to 4,278 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which 2.55% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.32% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Marengo.
Fiber internet speeds tend to be faster in the central parts of Marengo, and slower in the southeast areas of the city.
Is fiber the fastest internet I can get in Marengo?
The fastest internet for you may vary based on where in Marengo you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 33.92% of Marengo homes.
- Cable is fastest for 46.75% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 19.30%.
- Satellite internet may be the only option for less than 1% of Marengo homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Marengo, along with details on where in Marengo and at what speeds.
EarthLink Fiber in Marengo, IL
EarthLink fiber coverage
About 21.49%, or 2,635 people, have EarthLink fiber internet available to them in the city. The company covers the north, northeast, south, southeast, and east Marengo area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Marengo.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Marengo. Versus other fiber providers in the area, EarthLink fiber is above average. There are no different maximum speeds throughout Marengo. The fastest plan anyone in Marengo can order from EarthLink goes up to 5,000 Mbps, and all Marengo customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
EarthLink fiber upload speeds
In Marengo download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other Marengo fiber providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Marengo is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
AT&T Fiber in Marengo, IL
AT&T fiber coverage
About 21.49%, or 2,635 people, have AT&T fiber internet available to them in the city. The company covers the north, northeast, south, southeast, and east Marengo area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Marengo.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Marengo. Versus other fiber providers in the area, AT&T fiber is above average. There are no different maximum speeds throughout Marengo. The fastest plan anyone in Marengo can order from AT&T goes up to 5,000 Mbps, and all Marengo customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
AT&T fiber upload speeds
In Marengo download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other Marengo fiber providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Marengo is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
XFINITY from Comcast Fiber in Marengo, IL
XFINITY fiber coverage
About 7.55%, or 926 people, have XFINITY fiber internet available to them in the city. The company covers the southeast Marengo area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Marengo.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Marengo. Versus other fiber providers in the area, XFINITY fiber is below average. There are 2 different maximum speeds throughout Marengo. The fastest plan anyone in Marengo can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the city-wide average maximum speed for Marengo customers is up to 1,973 Mbps.
Show all download speeds
- 96.7% up to 2,000.0 Mbps
- 3.3% up to 1,200.0 Mbps
XFINITY from Comcast fiber upload speeds
In Marengo download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the slowest compared to other Marengo fiber providers. XFINITY offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Marengo is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 243 Mbps.
Show all upload speeds
- 96.7% up to 250.0 Mbps
- 3.3% up to 35.0 Mbps
Spectrum Fiber in Marengo, IL
Spectrum fiber coverage
About 3.36%, or 412 people, have Spectrum fiber internet available to them in the city. The company covers the southeast, south, east, and central Marengo area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Marengo.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Marengo. Versus other fiber providers in the area, Spectrum fiber is the slowest. There are no different maximum speeds throughout Marengo. The fastest plan anyone in Marengo can order from Spectrum goes up to 1,000 Mbps, and all Marengo customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Marengo download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and below average compared to other Marengo fiber providers. Spectrum offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Marengo is up to 500 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 358 Mbps.
Show all upload speeds
- 69.4% up to 500.0 Mbps
- 30.6% up to 35.0 Mbps
i3 Broadband Fiber in Marengo, IL
i3 Broadband fiber coverage
About 2.55%, or 313 people, have i3 Broadband fiber internet available to them in the city. The company covers the central Marengo area. i3 Broadband is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Marengo.
i3 Broadband fiber download speeds
i3 Broadband is the fastest when comparing download speeds to all other internet providers in Marengo. Versus other fiber providers in the area, i3 Broadband fiber is the fastest. There are no different maximum speeds throughout Marengo. The fastest plan anyone in Marengo can order from i3 Broadband goes up to 8,000 Mbps, and all Marengo customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
i3 Broadband fiber upload speeds
In Marengo download speeds tend to be equal to than upload speeds for i3 Broadband fiber. Compared to other ISPs, i3 Broadband is the fastest where upload speeds are concerned, and the fastest compared to other Marengo fiber providers. i3 Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Marengo is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
Marengo Fiber by Area
This information is most helpful to those looking for homes or considering moving to Marengo or any of the areas nearby.
How does fiber internet in Marengo compare to the rest of Illinois?
Fiber internet speeds in Marengo are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 4,278 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Illinois is 0.00% versus 33.92% in Marengo.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Marengo are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber internet look like in other cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Woodstock, IL: more fiber coverage, faster speeds
- Huntley, IL: more fiber coverage, faster speeds
- Hampshire, IL: more fiber coverage, faster speeds
- Genoa, IL: more fiber coverage, faster speeds
- Lakewood, IL: more fiber coverage, faster speeds
- Kingston, IL: less fiber coverage, faster speeds
- Harvard, IL: more fiber coverage, faster speeds
- Capron, IL: more fiber coverage, faster speeds
- Belvidere, IL: more fiber coverage, faster speeds
- Lake in the Hills, IL: more fiber coverage, faster speeds
Cities with Similar Populations
- Cape May, NJ: more fiber coverage, slower speeds
- West Perrine, FL: more fiber coverage, slower speeds
- West Milford, NJ: more fiber coverage, faster speeds
- West Carrollton, OH: less fiber coverage, faster speeds
- Wellford, SC: more fiber coverage, slower speeds
- Waterford, NY: more fiber coverage, slower speeds
- Cherryville, NC: more fiber coverage, slower speeds
- Cedar Grove, NJ: more fiber coverage, faster speeds
- Catoosa, OK: more fiber coverage, slower speeds
- Cascades, VA: more fiber coverage, slower speeds